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f5c5ef4a | 1 | /* |
1287e0c5 WG |
2 | * (C) Copyright 2008 Wolfgang Grandegger <wg@denx.de> |
3 | * | |
4 | * (C) Copyright 2006 | |
5 | * Thomas Waehner, TQ-Systems GmbH, thomas.waehner@tqs.de. | |
6 | * | |
d96f41e0 SR |
7 | * (C) Copyright 2005 |
8 | * Stefan Roese, DENX Software Engineering, sr@denx.de. | |
9 | * | |
f5c5ef4a WD |
10 | * Copyright 2004 Freescale Semiconductor. |
11 | * (C) Copyright 2002,2003, Motorola Inc. | |
12 | * Xianghua Xiao, (X.Xiao@motorola.com) | |
13 | * | |
14 | * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> | |
15 | * | |
16 | * See file CREDITS for list of people who contributed to this | |
17 | * project. | |
18 | * | |
19 | * This program is free software; you can redistribute it and/or | |
20 | * modify it under the terms of the GNU General Public License as | |
21 | * published by the Free Software Foundation; either version 2 of | |
22 | * the License, or (at your option) any later version. | |
23 | * | |
24 | * This program is distributed in the hope that it will be useful, | |
25 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
3cbd8231 | 26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
f5c5ef4a WD |
27 | * GNU General Public License for more details. |
28 | * | |
29 | * You should have received a copy of the GNU General Public License | |
30 | * along with this program; if not, write to the Free Software | |
31 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
32 | * MA 02111-1307 USA | |
33 | */ | |
34 | ||
f5c5ef4a WD |
35 | #include <common.h> |
36 | #include <pci.h> | |
37 | #include <asm/processor.h> | |
38 | #include <asm/immap_85xx.h> | |
b9e8078b | 39 | #include <asm/immap_fsl_pci.h> |
d9ee843d | 40 | #include <asm/io.h> |
f5c5ef4a | 41 | #include <ioports.h> |
d96f41e0 | 42 | #include <flash.h> |
25991353 WG |
43 | #include <libfdt.h> |
44 | #include <fdt_support.h> | |
10efa024 | 45 | #include <netdev.h> |
f5c5ef4a | 46 | |
d87080b7 WD |
47 | DECLARE_GLOBAL_DATA_PTR; |
48 | ||
d96f41e0 | 49 | extern flash_info_t flash_info[]; /* FLASH chips info */ |
f5c5ef4a WD |
50 | |
51 | void local_bus_init (void); | |
f18e874a | 52 | ulong flash_get_size (ulong base, int banknum); |
966083e9 | 53 | |
bd3143f0 | 54 | #ifdef CONFIG_PS2MULT |
b99ba167 | 55 | void ps2mult_early_init (void); |
bd3143f0 | 56 | #endif |
f5c5ef4a | 57 | |
d96f41e0 | 58 | #ifdef CONFIG_CPM2 |
f5c5ef4a WD |
59 | /* |
60 | * I/O Port configuration table | |
61 | * | |
62 | * if conf is 1, then that port pin will be configured at boot time | |
63 | * according to the five values podr/pdir/ppar/psor/pdat for that entry | |
64 | */ | |
65 | ||
66 | const iop_conf_t iop_conf_tab[4][32] = { | |
67 | ||
b99ba167 WG |
68 | /* Port A: conf, ppar, psor, pdir, podr, pdat */ |
69 | { | |
70 | {1, 1, 1, 0, 0, 0}, /* PA31: FCC1 MII COL */ | |
71 | {1, 1, 1, 0, 0, 0}, /* PA30: FCC1 MII CRS */ | |
72 | {1, 1, 1, 1, 0, 0}, /* PA29: FCC1 MII TX_ER */ | |
73 | {1, 1, 1, 1, 0, 0}, /* PA28: FCC1 MII TX_EN */ | |
74 | {1, 1, 1, 0, 0, 0}, /* PA27: FCC1 MII RX_DV */ | |
75 | {1, 1, 1, 0, 0, 0}, /* PA26: FCC1 MII RX_ER */ | |
76 | {0, 1, 0, 1, 0, 0}, /* PA25: FCC1 ATMTXD[0] */ | |
77 | {0, 1, 0, 1, 0, 0}, /* PA24: FCC1 ATMTXD[1] */ | |
78 | {0, 1, 0, 1, 0, 0}, /* PA23: FCC1 ATMTXD[2] */ | |
79 | {0, 1, 0, 1, 0, 0}, /* PA22: FCC1 ATMTXD[3] */ | |
80 | {1, 1, 0, 1, 0, 0}, /* PA21: FCC1 MII TxD[3] */ | |
81 | {1, 1, 0, 1, 0, 0}, /* PA20: FCC1 MII TxD[2] */ | |
82 | {1, 1, 0, 1, 0, 0}, /* PA19: FCC1 MII TxD[1] */ | |
83 | {1, 1, 0, 1, 0, 0}, /* PA18: FCC1 MII TxD[0] */ | |
84 | {1, 1, 0, 0, 0, 0}, /* PA17: FCC1 MII RxD[0] */ | |
85 | {1, 1, 0, 0, 0, 0}, /* PA16: FCC1 MII RxD[1] */ | |
86 | {1, 1, 0, 0, 0, 0}, /* PA15: FCC1 MII RxD[2] */ | |
87 | {1, 1, 0, 0, 0, 0}, /* PA14: FCC1 MII RxD[3] */ | |
88 | {0, 1, 0, 0, 0, 0}, /* PA13: FCC1 ATMRXD[3] */ | |
89 | {0, 1, 0, 0, 0, 0}, /* PA12: FCC1 ATMRXD[2] */ | |
90 | {0, 1, 0, 0, 0, 0}, /* PA11: FCC1 ATMRXD[1] */ | |
91 | {0, 1, 0, 0, 0, 0}, /* PA10: FCC1 ATMRXD[0] */ | |
92 | {0, 1, 1, 1, 0, 0}, /* PA9 : FCC1 L1TXD */ | |
93 | {0, 1, 1, 0, 0, 0}, /* PA8 : FCC1 L1RXD */ | |
94 | {0, 0, 0, 1, 0, 0}, /* PA7 : PA7 */ | |
95 | {0, 1, 1, 1, 0, 0}, /* PA6 : TDM A1 L1RSYNC */ | |
96 | {0, 0, 0, 1, 0, 0}, /* PA5 : PA5 */ | |
97 | {0, 0, 0, 1, 0, 0}, /* PA4 : PA4 */ | |
98 | {0, 0, 0, 1, 0, 0}, /* PA3 : PA3 */ | |
99 | {0, 0, 0, 1, 0, 0}, /* PA2 : PA2 */ | |
100 | {0, 0, 0, 0, 0, 0}, /* PA1 : FREERUN */ | |
101 | {0, 0, 0, 1, 0, 0} /* PA0 : PA0 */ | |
102 | }, | |
103 | ||
104 | /* Port B: conf, ppar, psor, pdir, podr, pdat */ | |
105 | { | |
106 | {1, 1, 0, 1, 0, 0}, /* PB31: FCC2 MII TX_ER */ | |
107 | {1, 1, 0, 0, 0, 0}, /* PB30: FCC2 MII RX_DV */ | |
108 | {1, 1, 1, 1, 0, 0}, /* PB29: FCC2 MII TX_EN */ | |
109 | {1, 1, 0, 0, 0, 0}, /* PB28: FCC2 MII RX_ER */ | |
110 | {1, 1, 0, 0, 0, 0}, /* PB27: FCC2 MII COL */ | |
111 | {1, 1, 0, 0, 0, 0}, /* PB26: FCC2 MII CRS */ | |
112 | {1, 1, 0, 1, 0, 0}, /* PB25: FCC2 MII TxD[3] */ | |
113 | {1, 1, 0, 1, 0, 0}, /* PB24: FCC2 MII TxD[2] */ | |
114 | {1, 1, 0, 1, 0, 0}, /* PB23: FCC2 MII TxD[1] */ | |
115 | {1, 1, 0, 1, 0, 0}, /* PB22: FCC2 MII TxD[0] */ | |
116 | {1, 1, 0, 0, 0, 0}, /* PB21: FCC2 MII RxD[0] */ | |
117 | {1, 1, 0, 0, 0, 0}, /* PB20: FCC2 MII RxD[1] */ | |
118 | {1, 1, 0, 0, 0, 0}, /* PB19: FCC2 MII RxD[2] */ | |
119 | {1, 1, 0, 0, 0, 0}, /* PB18: FCC2 MII RxD[3] */ | |
120 | {1, 1, 0, 0, 0, 0}, /* PB17: FCC3:RX_DIV */ | |
121 | {1, 1, 0, 0, 0, 0}, /* PB16: FCC3:RX_ERR */ | |
122 | {1, 1, 0, 1, 0, 0}, /* PB15: FCC3:TX_ERR */ | |
123 | {1, 1, 0, 1, 0, 0}, /* PB14: FCC3:TX_EN */ | |
124 | {1, 1, 0, 0, 0, 0}, /* PB13: FCC3:COL */ | |
125 | {1, 1, 0, 0, 0, 0}, /* PB12: FCC3:CRS */ | |
126 | {1, 1, 0, 0, 0, 0}, /* PB11: FCC3:RXD */ | |
127 | {1, 1, 0, 0, 0, 0}, /* PB10: FCC3:RXD */ | |
128 | {1, 1, 0, 0, 0, 0}, /* PB9 : FCC3:RXD */ | |
129 | {1, 1, 0, 0, 0, 0}, /* PB8 : FCC3:RXD */ | |
130 | {1, 1, 0, 1, 0, 0}, /* PB7 : FCC3:TXD */ | |
131 | {1, 1, 0, 1, 0, 0}, /* PB6 : FCC3:TXD */ | |
132 | {1, 1, 0, 1, 0, 0}, /* PB5 : FCC3:TXD */ | |
133 | {1, 1, 0, 1, 0, 0}, /* PB4 : FCC3:TXD */ | |
134 | {0, 0, 0, 0, 0, 0}, /* PB3 : pin doesn't exist */ | |
135 | {0, 0, 0, 0, 0, 0}, /* PB2 : pin doesn't exist */ | |
136 | {0, 0, 0, 0, 0, 0}, /* PB1 : pin doesn't exist */ | |
137 | {0, 0, 0, 0, 0, 0} /* PB0 : pin doesn't exist */ | |
138 | }, | |
139 | ||
140 | /* Port C: conf, ppar, psor, pdir, podr, pdat */ | |
141 | { | |
142 | {0, 0, 0, 1, 0, 0}, /* PC31: PC31 */ | |
143 | {0, 0, 0, 1, 0, 0}, /* PC30: PC30 */ | |
144 | {0, 1, 1, 0, 0, 0}, /* PC29: SCC1 EN *CLSN */ | |
145 | {0, 0, 0, 1, 0, 0}, /* PC28: PC28 */ | |
146 | {0, 0, 0, 1, 0, 0}, /* PC27: UART Clock in */ | |
147 | {0, 0, 0, 1, 0, 0}, /* PC26: PC26 */ | |
148 | {0, 0, 0, 1, 0, 0}, /* PC25: PC25 */ | |
149 | {0, 0, 0, 1, 0, 0}, /* PC24: PC24 */ | |
150 | {0, 1, 0, 1, 0, 0}, /* PC23: ATMTFCLK */ | |
151 | {0, 1, 0, 0, 0, 0}, /* PC22: ATMRFCLK */ | |
152 | {1, 1, 0, 0, 0, 0}, /* PC21: SCC1 EN RXCLK */ | |
153 | {1, 1, 0, 0, 0, 0}, /* PC20: SCC1 EN TXCLK */ | |
154 | {1, 1, 0, 0, 0, 0}, /* PC19: FCC2 MII RX_CLK CLK13 */ | |
155 | {1, 1, 0, 0, 0, 0}, /* PC18: FCC Tx Clock (CLK14) */ | |
156 | {1, 1, 0, 0, 0, 0}, /* PC17: PC17 */ | |
157 | {1, 1, 0, 0, 0, 0}, /* PC16: FCC Tx Clock (CLK16) */ | |
158 | {0, 1, 0, 0, 0, 0}, /* PC15: PC15 */ | |
159 | {0, 1, 0, 0, 0, 0}, /* PC14: SCC1 EN *CD */ | |
160 | {0, 1, 0, 0, 0, 0}, /* PC13: PC13 */ | |
161 | {0, 1, 0, 1, 0, 0}, /* PC12: PC12 */ | |
162 | {0, 0, 0, 1, 0, 0}, /* PC11: LXT971 transmit control */ | |
163 | {0, 0, 0, 1, 0, 0}, /* PC10: FETHMDC */ | |
164 | {0, 0, 0, 0, 0, 0}, /* PC9 : FETHMDIO */ | |
165 | {0, 0, 0, 1, 0, 0}, /* PC8 : PC8 */ | |
166 | {0, 0, 0, 1, 0, 0}, /* PC7 : PC7 */ | |
167 | {0, 0, 0, 1, 0, 0}, /* PC6 : PC6 */ | |
168 | {0, 0, 0, 1, 0, 0}, /* PC5 : PC5 */ | |
169 | {0, 0, 0, 1, 0, 0}, /* PC4 : PC4 */ | |
170 | {0, 0, 0, 1, 0, 0}, /* PC3 : PC3 */ | |
171 | {0, 0, 0, 1, 0, 1}, /* PC2 : ENET FDE */ | |
172 | {0, 0, 0, 1, 0, 0}, /* PC1 : ENET DSQE */ | |
173 | {0, 0, 0, 1, 0, 0}, /* PC0 : ENET LBK */ | |
174 | }, | |
175 | ||
176 | /* Port D: conf, ppar, psor, pdir, podr, pdat */ | |
177 | { | |
5d5bd838 | 178 | #ifdef CONFIG_TQM8560 |
b99ba167 WG |
179 | {1, 1, 0, 0, 0, 0}, /* PD31: SCC1 EN RxD */ |
180 | {1, 1, 1, 1, 0, 0}, /* PD30: SCC1 EN TxD */ | |
181 | {1, 1, 0, 1, 0, 0}, /* PD29: SCC1 EN TENA */ | |
5d5bd838 WG |
182 | #else /* !CONFIG_TQM8560 */ |
183 | {0, 0, 0, 0, 0, 0}, /* PD31: PD31 */ | |
184 | {0, 0, 0, 0, 0, 0}, /* PD30: PD30 */ | |
185 | {0, 0, 0, 0, 0, 0}, /* PD29: PD29 */ | |
186 | #endif /* CONFIG_TQM8560 */ | |
b99ba167 WG |
187 | {1, 1, 0, 0, 0, 0}, /* PD28: PD28 */ |
188 | {1, 1, 0, 1, 0, 0}, /* PD27: PD27 */ | |
189 | {1, 1, 0, 1, 0, 0}, /* PD26: PD26 */ | |
190 | {0, 0, 0, 1, 0, 0}, /* PD25: PD25 */ | |
191 | {0, 0, 0, 1, 0, 0}, /* PD24: PD24 */ | |
192 | {0, 0, 0, 1, 0, 0}, /* PD23: PD23 */ | |
193 | {0, 0, 0, 1, 0, 0}, /* PD22: PD22 */ | |
194 | {0, 0, 0, 1, 0, 0}, /* PD21: PD21 */ | |
195 | {0, 0, 0, 1, 0, 0}, /* PD20: PD20 */ | |
196 | {0, 0, 0, 1, 0, 0}, /* PD19: PD19 */ | |
197 | {0, 0, 0, 1, 0, 0}, /* PD18: PD18 */ | |
198 | {0, 1, 0, 0, 0, 0}, /* PD17: FCC1 ATMRXPRTY */ | |
199 | {0, 1, 0, 1, 0, 0}, /* PD16: FCC1 ATMTXPRTY */ | |
200 | {0, 1, 1, 0, 1, 0}, /* PD15: I2C SDA */ | |
201 | {0, 0, 0, 1, 0, 0}, /* PD14: LED */ | |
202 | {0, 0, 0, 0, 0, 0}, /* PD13: PD13 */ | |
203 | {0, 0, 0, 0, 0, 0}, /* PD12: PD12 */ | |
204 | {0, 0, 0, 0, 0, 0}, /* PD11: PD11 */ | |
205 | {0, 0, 0, 0, 0, 0}, /* PD10: PD10 */ | |
206 | {0, 1, 0, 1, 0, 0}, /* PD9 : SMC1 TXD */ | |
207 | {0, 1, 0, 0, 0, 0}, /* PD8 : SMC1 RXD */ | |
208 | {0, 0, 0, 1, 0, 1}, /* PD7 : PD7 */ | |
209 | {0, 0, 0, 1, 0, 1}, /* PD6 : PD6 */ | |
210 | {0, 0, 0, 1, 0, 1}, /* PD5 : PD5 */ | |
211 | {0, 0, 0, 1, 0, 1}, /* PD4 : PD4 */ | |
212 | {0, 0, 0, 0, 0, 0}, /* PD3 : pin doesn't exist */ | |
213 | {0, 0, 0, 0, 0, 0}, /* PD2 : pin doesn't exist */ | |
214 | {0, 0, 0, 0, 0, 0}, /* PD1 : pin doesn't exist */ | |
215 | {0, 0, 0, 0, 0, 0} /* PD0 : pin doesn't exist */ | |
216 | } | |
f5c5ef4a | 217 | }; |
d96f41e0 SR |
218 | #endif /* CONFIG_CPM2 */ |
219 | ||
220 | #define CASL_STRING1 "casl=xx" | |
221 | #define CASL_STRING2 "casl=" | |
f5c5ef4a | 222 | |
d96f41e0 SR |
223 | static const int casl_table[] = { 20, 25, 30 }; |
224 | #define N_CASL (sizeof(casl_table) / sizeof(casl_table[0])) | |
f5c5ef4a | 225 | |
b99ba167 | 226 | int cas_latency (void) |
f5c5ef4a | 227 | { |
b99ba167 | 228 | char *s = getenv ("serial#"); |
d96f41e0 SR |
229 | int casl; |
230 | int val; | |
231 | int i; | |
232 | ||
233 | casl = CONFIG_DDR_DEFAULT_CL; | |
234 | ||
235 | if (s != NULL) { | |
b99ba167 WG |
236 | if (strncmp(s + strlen (s) - strlen (CASL_STRING1), |
237 | CASL_STRING2, strlen (CASL_STRING2)) == 0) { | |
238 | val = simple_strtoul (s + strlen (s) - 2, NULL, 10); | |
d96f41e0 | 239 | |
b99ba167 | 240 | for (i = 0; i < N_CASL; ++i) { |
d96f41e0 SR |
241 | if (val == casl_table[i]) { |
242 | return val; | |
243 | } | |
244 | } | |
245 | } | |
246 | } | |
247 | ||
248 | return casl; | |
f5c5ef4a WD |
249 | } |
250 | ||
251 | int checkboard (void) | |
252 | { | |
b99ba167 | 253 | char *s = getenv ("serial#"); |
d96f41e0 | 254 | |
b99ba167 | 255 | printf ("Board: %s", CONFIG_BOARDNAME); |
d96f41e0 | 256 | if (s != NULL) { |
b99ba167 WG |
257 | puts (", serial# "); |
258 | puts (s); | |
d96f41e0 | 259 | } |
b99ba167 | 260 | putc ('\n'); |
f5c5ef4a | 261 | |
f5c5ef4a WD |
262 | /* |
263 | * Initialize local bus. | |
264 | */ | |
265 | local_bus_init (); | |
266 | ||
267 | return 0; | |
268 | } | |
269 | ||
d96f41e0 | 270 | int misc_init_r (void) |
f5c5ef4a | 271 | { |
6d0f6bcf | 272 | volatile ccsr_lbc_t *memctl = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR); |
f5c5ef4a | 273 | |
d96f41e0 SR |
274 | /* |
275 | * Adjust flash start and offset to detected values | |
276 | */ | |
277 | gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; | |
278 | gd->bd->bi_flashoffset = 0; | |
9d2a873b | 279 | |
d96f41e0 | 280 | /* |
45dee2e6 | 281 | * Recalculate CS configuration if second FLASH bank is available |
d96f41e0 | 282 | */ |
45dee2e6 WG |
283 | if (flash_info[0].size > 0) { |
284 | memctl->or1 = ((-flash_info[0].size) & 0xffff8000) | | |
6d0f6bcf | 285 | (CONFIG_SYS_OR1_PRELIM & 0x00007fff); |
45dee2e6 | 286 | memctl->br1 = gd->bd->bi_flashstart | |
6d0f6bcf | 287 | (CONFIG_SYS_BR1_PRELIM & 0x00007fff); |
f5c5ef4a | 288 | /* |
45dee2e6 | 289 | * Re-check to get correct base address for bank 1 |
f5c5ef4a | 290 | */ |
45dee2e6 WG |
291 | flash_get_size (gd->bd->bi_flashstart, 0); |
292 | } else { | |
293 | memctl->or1 = 0; | |
294 | memctl->br1 = 0; | |
f5c5ef4a | 295 | } |
f5c5ef4a | 296 | |
f5c5ef4a | 297 | /* |
45dee2e6 | 298 | * If bank 1 is equipped, bank 0 is mapped after bank 1 |
f5c5ef4a | 299 | */ |
45dee2e6 | 300 | memctl->or0 = ((-flash_info[1].size) & 0xffff8000) | |
6d0f6bcf | 301 | (CONFIG_SYS_OR0_PRELIM & 0x00007fff); |
45dee2e6 | 302 | memctl->br0 = (gd->bd->bi_flashstart + flash_info[0].size) | |
6d0f6bcf | 303 | (CONFIG_SYS_BR0_PRELIM & 0x00007fff); |
45dee2e6 WG |
304 | /* |
305 | * Re-check to get correct base address for bank 0 | |
306 | */ | |
307 | flash_get_size (gd->bd->bi_flashstart + flash_info[0].size, 1); | |
f5c5ef4a | 308 | |
45dee2e6 WG |
309 | /* |
310 | * Re-do flash protection upon new addresses | |
311 | */ | |
312 | flash_protect (FLAG_PROTECT_CLEAR, | |
313 | gd->bd->bi_flashstart, 0xffffffff, | |
6d0f6bcf | 314 | &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
45dee2e6 WG |
315 | |
316 | /* Monitor protection ON by default */ | |
317 | flash_protect (FLAG_PROTECT_SET, | |
31ca9119 | 318 | CONFIG_SYS_MONITOR_BASE, 0xffffffff, |
6d0f6bcf | 319 | &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
45dee2e6 WG |
320 | |
321 | /* Environment protection ON by default */ | |
322 | flash_protect (FLAG_PROTECT_SET, | |
0e8d1586 JCPV |
323 | CONFIG_ENV_ADDR, |
324 | CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, | |
6d0f6bcf | 325 | &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
45dee2e6 | 326 | |
0e8d1586 | 327 | #ifdef CONFIG_ENV_ADDR_REDUND |
45dee2e6 WG |
328 | /* Redundant environment protection ON by default */ |
329 | flash_protect (FLAG_PROTECT_SET, | |
0e8d1586 JCPV |
330 | CONFIG_ENV_ADDR_REDUND, |
331 | CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SIZE_REDUND - 1, | |
6d0f6bcf | 332 | &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
45dee2e6 | 333 | #endif |
f5c5ef4a | 334 | |
d96f41e0 SR |
335 | return 0; |
336 | } | |
f5c5ef4a | 337 | |
d9ee843d WG |
338 | #ifdef CONFIG_CAN_DRIVER |
339 | /* | |
340 | * Initialize UPMC RAM | |
341 | */ | |
342 | static void upmc_write (u_char addr, uint val) | |
343 | { | |
6d0f6bcf | 344 | volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR); |
d9ee843d WG |
345 | |
346 | out_be32 (&lbc->mdr, val); | |
347 | ||
348 | clrsetbits_be32(&lbc->mcmr, MxMR_MAD_MSK, | |
349 | MxMR_OP_WARR | (addr & MxMR_MAD_MSK)); | |
350 | ||
351 | /* dummy access to perform write */ | |
6d0f6bcf | 352 | out_8 ((void __iomem *)CONFIG_SYS_CAN_BASE, 0); |
d9ee843d WG |
353 | |
354 | /* normal operation */ | |
355 | clrbits_be32(&lbc->mcmr, MxMR_OP_WARR); | |
356 | } | |
357 | #endif /* CONFIG_CAN_DRIVER */ | |
358 | ||
1287e0c5 WG |
359 | uint get_lbc_clock (void) |
360 | { | |
6d0f6bcf | 361 | volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR); |
1287e0c5 | 362 | sys_info_t sys_info; |
a5d212a2 | 363 | ulong clkdiv = lbc->lcrr & LCRR_CLKDIV; |
1287e0c5 WG |
364 | |
365 | get_sys_info (&sys_info); | |
366 | ||
367 | if (clkdiv == 2 || clkdiv == 4 || clkdiv == 8) { | |
368 | #ifdef CONFIG_MPC8548 | |
369 | /* | |
370 | * Yes, the entire PQ38 family use the same | |
371 | * bit-representation for twice the clock divider value. | |
372 | */ | |
373 | clkdiv *= 2; | |
374 | #endif | |
375 | return sys_info.freqSystemBus / clkdiv; | |
376 | } | |
377 | ||
6d0f6bcf | 378 | puts("Invalid clock divider value in CONFIG_SYS_LBC_LCRR\n"); |
1287e0c5 WG |
379 | |
380 | return 0; | |
381 | } | |
382 | ||
f5c5ef4a WD |
383 | /* |
384 | * Initialize Local Bus | |
385 | */ | |
f5c5ef4a WD |
386 | void local_bus_init (void) |
387 | { | |
6d0f6bcf JCPV |
388 | volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
389 | volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR); | |
1287e0c5 WG |
390 | uint lbc_mhz = get_lbc_clock () / 1000000; |
391 | ||
392 | #ifdef CONFIG_MPC8548 | |
393 | uint svr = get_svr (); | |
394 | uint lcrr; | |
395 | ||
396 | /* | |
397 | * MPC revision < 2.0 | |
398 | * According to MPC8548E_Device_Errata Rev. L, Erratum LBIU1: | |
399 | * Modify engineering use only register at address 0xE_0F20. | |
400 | * "1. Read register at offset 0xE_0F20 | |
401 | * 2. And value with 0x0000_FFFF | |
402 | * 3. OR result with 0x0000_0004 | |
403 | * 4. Write result back to offset 0xE_0F20." | |
404 | * | |
405 | * According to MPC8548E_Device_Errata Rev. L, Erratum LBIU2: | |
406 | * Modify engineering use only register at address 0xE_0F20. | |
407 | * "1. Read register at offset 0xE_0F20 | |
408 | * 2. And value with 0xFFFF_FFDF | |
409 | * 3. Write result back to offset 0xE_0F20." | |
410 | * | |
411 | * Since it is the same register, we do the modification in one step. | |
412 | */ | |
413 | if (SVR_MAJ (svr) < 2) { | |
414 | uint dummy = gur->lbiuiplldcr1; | |
415 | dummy &= 0x0000FFDF; | |
416 | dummy |= 0x00000004; | |
417 | gur->lbiuiplldcr1 = dummy; | |
418 | } | |
f5c5ef4a | 419 | |
6d0f6bcf | 420 | lcrr = CONFIG_SYS_LBC_LCRR; |
1287e0c5 WG |
421 | |
422 | /* | |
423 | * Local Bus Clock > 83.3 MHz. According to timing | |
424 | * specifications set LCRR[EADC] to 2 delay cycles. | |
425 | */ | |
426 | if (lbc_mhz > 83) { | |
427 | lcrr &= ~LCRR_EADC; | |
428 | lcrr |= LCRR_EADC_2; | |
429 | } | |
430 | ||
431 | /* | |
432 | * According to MPC8548ERMAD Rev. 1.3, 13.3.1.16, 13-30 | |
433 | * disable PLL bypass for Local Bus Clock > 83 MHz. | |
434 | */ | |
435 | if (lbc_mhz >= 66) | |
436 | lcrr &= (~LCRR_DBYP); /* DLL Enabled */ | |
437 | ||
438 | else | |
439 | lcrr |= LCRR_DBYP; /* DLL Bypass */ | |
440 | ||
441 | lbc->lcrr = lcrr; | |
442 | asm ("sync;isync;msync"); | |
443 | ||
444 | /* | |
445 | * According to MPC8548ERMAD Rev.1.3 read back LCRR | |
446 | * and terminate with isync | |
447 | */ | |
448 | lcrr = lbc->lcrr; | |
449 | asm ("isync;"); | |
450 | ||
451 | /* let DLL stabilize */ | |
452 | udelay (500); | |
453 | ||
454 | #else /* !CONFIG_MPC8548 */ | |
f5c5ef4a WD |
455 | |
456 | /* | |
457 | * Errata LBC11. | |
458 | * Fix Local Bus clock glitch when DLL is enabled. | |
459 | * | |
8ed44d91 WD |
460 | * If localbus freq is < 66MHz, DLL bypass mode must be used. |
461 | * If localbus freq is > 133MHz, DLL can be safely enabled. | |
f5c5ef4a WD |
462 | * Between 66 and 133, the DLL is enabled with an override workaround. |
463 | */ | |
464 | ||
1287e0c5 | 465 | if (lbc_mhz < 66) { |
6d0f6bcf | 466 | lbc->lcrr = CONFIG_SYS_LBC_LCRR | LCRR_DBYP; /* DLL Bypass */ |
f2302d44 SR |
467 | lbc->ltedr = LTEDR_BMD | LTEDR_PARD | LTEDR_WPD | LTEDR_WARA | |
468 | LTEDR_RAWA | LTEDR_CSD; /* Disable all error checking */ | |
f5c5ef4a | 469 | |
1287e0c5 | 470 | } else if (lbc_mhz >= 133) { |
6d0f6bcf | 471 | lbc->lcrr = CONFIG_SYS_LBC_LCRR & (~LCRR_DBYP); /* DLL Enabled */ |
f5c5ef4a WD |
472 | |
473 | } else { | |
474 | /* | |
475 | * On REV1 boards, need to change CLKDIV before enable DLL. | |
476 | * Default CLKDIV is 8, change it to 4 temporarily. | |
477 | */ | |
478 | uint pvr = get_pvr (); | |
479 | uint temp_lbcdll = 0; | |
480 | ||
481 | if (pvr == PVR_85xx_REV1) { | |
482 | /* FIXME: Justify the high bit here. */ | |
483 | lbc->lcrr = 0x10000004; | |
484 | } | |
485 | ||
6d0f6bcf | 486 | lbc->lcrr = CONFIG_SYS_LBC_LCRR & (~LCRR_DBYP); /* DLL Enabled */ |
f5c5ef4a WD |
487 | udelay (200); |
488 | ||
489 | /* | |
490 | * Sample LBC DLL ctrl reg, upshift it to set the | |
491 | * override bits. | |
492 | */ | |
493 | temp_lbcdll = gur->lbcdllcr; | |
494 | gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000); | |
495 | asm ("sync;isync;msync"); | |
496 | } | |
1287e0c5 | 497 | #endif /* !CONFIG_MPC8548 */ |
d9ee843d WG |
498 | |
499 | #ifdef CONFIG_CAN_DRIVER | |
500 | /* | |
501 | * According to timing specifications EAD must be | |
502 | * set if Local Bus Clock is > 83 MHz. | |
503 | */ | |
1287e0c5 | 504 | if (lbc_mhz > 83) |
6d0f6bcf | 505 | out_be32 (&lbc->or2, CONFIG_SYS_OR2_CAN | OR_UPM_EAD); |
d9ee843d | 506 | else |
6d0f6bcf JCPV |
507 | out_be32 (&lbc->or2, CONFIG_SYS_OR2_CAN); |
508 | out_be32 (&lbc->br2, CONFIG_SYS_BR2_CAN); | |
d9ee843d WG |
509 | |
510 | /* LGPL4 is UPWAIT */ | |
511 | out_be32(&lbc->mcmr, MxMR_DSx_3_CYCL | MxMR_GPL_x4DIS | MxMR_WLFx_3X); | |
512 | ||
513 | /* Initialize UPMC for CAN: single read */ | |
514 | upmc_write (0x00, 0xFFFFED00); | |
515 | upmc_write (0x01, 0xCCFFCC00); | |
516 | upmc_write (0x02, 0x00FFCF00); | |
517 | upmc_write (0x03, 0x00FFCF00); | |
518 | upmc_write (0x04, 0x00FFDC00); | |
519 | upmc_write (0x05, 0x00FFCF00); | |
520 | upmc_write (0x06, 0x00FFED00); | |
521 | upmc_write (0x07, 0x3FFFCC07); | |
522 | ||
523 | /* Initialize UPMC for CAN: single write */ | |
524 | upmc_write (0x18, 0xFFFFED00); | |
525 | upmc_write (0x19, 0xCCFFEC00); | |
526 | upmc_write (0x1A, 0x00FFED80); | |
527 | upmc_write (0x1B, 0x00FFED80); | |
528 | upmc_write (0x1C, 0x00FFFC00); | |
529 | upmc_write (0x1D, 0x0FFFEC00); | |
530 | upmc_write (0x1E, 0x0FFFEF00); | |
531 | upmc_write (0x1F, 0x3FFFEC05); | |
532 | #endif /* CONFIG_CAN_DRIVER */ | |
f5c5ef4a WD |
533 | } |
534 | ||
f5c5ef4a WD |
535 | /* |
536 | * Initialize PCI Devices, report devices found. | |
537 | */ | |
b9e8078b | 538 | static int first_free_busno; |
f5c5ef4a | 539 | |
2dba0dea KG |
540 | extern int fsl_pci_setup_inbound_windows(struct pci_region *r); |
541 | extern void fsl_pci_init(struct pci_controller *hose); | |
542 | ||
b9e8078b WG |
543 | #if defined(CONFIG_PCI) || defined(CONFIG_PCI1) |
544 | static struct pci_controller pci1_hose; | |
545 | #endif /* CONFIG_PCI || CONFIG_PCI1 */ | |
f5c5ef4a | 546 | |
b9e8078b WG |
547 | #ifdef CONFIG_PCIE1 |
548 | static struct pci_controller pcie1_hose; | |
549 | #endif /* CONFIG_PCIE1 */ | |
550 | ||
551 | static inline void init_pci1(void) | |
552 | { | |
6d0f6bcf | 553 | volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
b9e8078b WG |
554 | #if defined(CONFIG_PCI) || defined(CONFIG_PCI1) |
555 | uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16; | |
6d0f6bcf | 556 | volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *)CONFIG_SYS_PCI1_ADDR; |
b9e8078b | 557 | struct pci_controller *hose = &pci1_hose; |
2dba0dea | 558 | struct pci_region *r = hose->regions; |
b9e8078b WG |
559 | |
560 | /* PORDEVSR[15] */ | |
561 | uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32; | |
562 | /* PORDEVSR[14] */ | |
563 | uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; | |
564 | /* PORPLLSR[16] */ | |
565 | uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; | |
566 | ||
567 | uint pci_agent = (host_agent == 3) || (host_agent == 4 ) || | |
568 | (host_agent == 6); | |
569 | ||
570 | uint pci_speed = CONFIG_SYS_CLK_FREQ; /* PCI PSPEED in [4:5] */ | |
571 | ||
572 | if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) { | |
573 | printf ("PCI1: %d bit, %s MHz, %s, %s, %s\n", | |
574 | (pci_32) ? 32 : 64, | |
575 | (pci_speed == 33333333) ? "33" : | |
576 | (pci_speed == 66666666) ? "66" : "unknown", | |
577 | pci_clk_sel ? "sync" : "async", | |
578 | pci_agent ? "agent" : "host", | |
579 | pci_arb ? "arbiter" : "external-arbiter"); | |
580 | ||
581 | ||
582 | /* inbound */ | |
2dba0dea | 583 | r += fsl_pci_setup_inbound_windows(r); |
b9e8078b WG |
584 | |
585 | /* outbound memory */ | |
2dba0dea | 586 | pci_set_region (r++, |
6d0f6bcf JCPV |
587 | CONFIG_SYS_PCI1_MEM_BASE, |
588 | CONFIG_SYS_PCI1_MEM_PHYS, | |
589 | CONFIG_SYS_PCI1_MEM_SIZE, | |
b9e8078b WG |
590 | PCI_REGION_MEM); |
591 | ||
592 | /* outbound io */ | |
2dba0dea | 593 | pci_set_region (r++, |
6d0f6bcf JCPV |
594 | CONFIG_SYS_PCI1_IO_BASE, |
595 | CONFIG_SYS_PCI1_IO_PHYS, | |
596 | CONFIG_SYS_PCI1_IO_SIZE, | |
b9e8078b WG |
597 | PCI_REGION_IO); |
598 | ||
2dba0dea | 599 | hose->region_count = r - hose->regions; |
b9e8078b WG |
600 | |
601 | hose->first_busno = first_free_busno; | |
602 | pci_setup_indirect (hose, (int)&pci->cfg_addr, | |
603 | (int)&pci->cfg_data); | |
604 | ||
605 | fsl_pci_init (hose); | |
606 | ||
607 | printf (" PCI on bus %02x..%02x\n", | |
608 | hose->first_busno, hose->last_busno); | |
609 | ||
610 | first_free_busno = hose->last_busno + 1; | |
611 | #ifdef CONFIG_PCIX_CHECK | |
9427ccde | 612 | if (!(gur->pordevsr & MPC85xx_PORDEVSR_PCI1)) { |
b9e8078b WG |
613 | ushort reg16 = |
614 | PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ | | |
615 | PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E; | |
616 | uint dev = PCI_BDF(hose->first_busno, 0, 0); | |
617 | ||
618 | /* PCI-X init */ | |
619 | if (CONFIG_SYS_CLK_FREQ < 66000000) | |
620 | puts ("PCI-X will only work at 66 MHz\n"); | |
621 | ||
622 | pci_hose_write_config_word (hose, dev, PCIX_COMMAND, | |
623 | reg16); | |
624 | } | |
f5c5ef4a | 625 | #endif |
b9e8078b WG |
626 | } else { |
627 | puts ("PCI1: disabled\n"); | |
628 | } | |
629 | #else /* !(CONFIG_PCI || CONFIG_PCI1) */ | |
630 | gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */ | |
631 | #endif /* CONFIG_PCI || CONFIG_PCI1) */ | |
632 | } | |
633 | ||
634 | static inline void init_pcie1(void) | |
635 | { | |
6d0f6bcf | 636 | volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
b9e8078b WG |
637 | #ifdef CONFIG_PCIE1 |
638 | uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19; | |
639 | uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16; | |
6d0f6bcf | 640 | volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *)CONFIG_SYS_PCIE1_ADDR; |
b9e8078b WG |
641 | struct pci_controller *hose = &pcie1_hose; |
642 | int pcie_ep = (host_agent == 0) || (host_agent == 2 ) || | |
643 | (host_agent == 3); | |
2dba0dea | 644 | struct pci_region *r = hose->regions; |
b9e8078b WG |
645 | |
646 | int pcie_configured = io_sel >= 1; | |
647 | ||
648 | if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){ | |
649 | printf ("PCIe: %s, base address %x", | |
650 | pcie_ep ? "End point" : "Root complex", (uint)pci); | |
651 | ||
652 | if (pci->pme_msg_det) { | |
653 | pci->pme_msg_det = 0xffffffff; | |
654 | debug (", with errors. Clearing. Now 0x%08x", | |
655 | pci->pme_msg_det); | |
656 | } | |
657 | puts ("\n"); | |
f5c5ef4a | 658 | |
b9e8078b | 659 | /* inbound */ |
2dba0dea | 660 | r += fsl_pci_setup_inbound_windows(r); |
b9e8078b WG |
661 | |
662 | /* outbound memory */ | |
2dba0dea | 663 | pci_set_region (r++, |
6d0f6bcf JCPV |
664 | CONFIG_SYS_PCIE1_MEM_BASE, |
665 | CONFIG_SYS_PCIE1_MEM_PHYS, | |
666 | CONFIG_SYS_PCIE1_MEM_SIZE, | |
b9e8078b WG |
667 | PCI_REGION_MEM); |
668 | ||
669 | /* outbound io */ | |
2dba0dea | 670 | pci_set_region (r++, |
6d0f6bcf JCPV |
671 | CONFIG_SYS_PCIE1_IO_BASE, |
672 | CONFIG_SYS_PCIE1_IO_PHYS, | |
673 | CONFIG_SYS_PCIE1_IO_SIZE, | |
b9e8078b WG |
674 | PCI_REGION_IO); |
675 | ||
2dba0dea | 676 | hose->region_count = r - hose->regions; |
b9e8078b WG |
677 | |
678 | hose->first_busno = first_free_busno; | |
679 | pci_setup_indirect(hose, (int)&pci->cfg_addr, | |
680 | (int)&pci->cfg_data); | |
681 | ||
682 | fsl_pci_init (hose); | |
683 | printf (" PCIe on bus %02x..%02x\n", | |
684 | hose->first_busno, hose->last_busno); | |
685 | ||
686 | first_free_busno = hose->last_busno + 1; | |
687 | ||
688 | } else { | |
689 | printf ("PCIe: disabled\n"); | |
690 | } | |
691 | #else /* !CONFIG_PCIE1 */ | |
692 | gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */ | |
693 | #endif /* CONFIG_PCIE1 */ | |
694 | } | |
f5c5ef4a | 695 | |
f5c5ef4a WD |
696 | void pci_init_board (void) |
697 | { | |
b9e8078b WG |
698 | init_pci1(); |
699 | init_pcie1(); | |
f5c5ef4a | 700 | } |
bc8bb6d4 | 701 | |
b9e8078b | 702 | #ifdef CONFIG_OF_BOARD_SETUP |
2dba0dea | 703 | extern void ft_fsl_pci_setup(void *blob, const char *pci_alias, |
3cbd8231 | 704 | struct pci_controller *hose); |
2dba0dea | 705 | |
25991353 WG |
706 | void ft_board_setup (void *blob, bd_t *bd) |
707 | { | |
25991353 WG |
708 | ft_cpu_setup (blob, bd); |
709 | ||
b9e8078b | 710 | #if defined(CONFIG_PCI) || defined(CONFIG_PCI1) |
2dba0dea KG |
711 | ft_fsl_pci_setup(blob, "pci0", &pci1_hose); |
712 | #endif | |
b9e8078b | 713 | #ifdef CONFIG_PCIE1 |
2dba0dea KG |
714 | ft_fsl_pci_setup(blob, "pci1", &pcie1_hose); |
715 | #endif | |
25991353 | 716 | } |
b9e8078b | 717 | #endif /* CONFIG_OF_BOARD_SETUP */ |
25991353 | 718 | |
bc8bb6d4 WD |
719 | #ifdef CONFIG_BOARD_EARLY_INIT_R |
720 | int board_early_init_r (void) | |
721 | { | |
722 | #ifdef CONFIG_PS2MULT | |
b99ba167 | 723 | ps2mult_early_init (); |
bc8bb6d4 WD |
724 | #endif /* CONFIG_PS2MULT */ |
725 | return (0); | |
726 | } | |
727 | #endif /* CONFIG_BOARD_EARLY_INIT_R */ | |
10efa024 BW |
728 | |
729 | int board_eth_init(bd_t *bis) | |
730 | { | |
731 | cpu_eth_init(bis); /* Intialize TSECs first */ | |
732 | return pci_eth_init(bis); | |
733 | } |